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<div class="header">
  <div class="headertitle"><div class="title">gtest-death-test.h</div></div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">// Copyright 2005, Google Inc.</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment">// All rights reserved.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment">//</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment">// Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment">// modification, are permitted provided that the following conditions are</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment">// met:</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment">//</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment">//     * Redistributions of source code must retain the above copyright</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment">// notice, this list of conditions and the following disclaimer.</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment">//     * Redistributions in binary form must reproduce the above</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment">// copyright notice, this list of conditions and the following disclaimer</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment">// in the documentation and/or other materials provided with the</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment">// distribution.</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment">//     * Neither the name of Google Inc. nor the names of its</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment">// contributors may be used to endorse or promote products derived from</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment">// this software without specific prior written permission.</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment">//</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment">// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment">// &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment">// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment">// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment">// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment">// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment">// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment">// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment">// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="comment">// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="comment">// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment">// The Google C++ Testing and Mocking Framework (Google Test)</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment">//</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment">// This header file defines the public API for death tests.  It is</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment">// #included by gtest.h so a user doesn&#39;t need to include this</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="comment">// directly.</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="comment">// IWYU pragma: private, include &quot;gtest/gtest.h&quot;</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="comment">// IWYU pragma: friend gtest/.*</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="comment">// IWYU pragma: friend gmock/.*</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span> </div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="preprocessor">#ifndef GOOGLETEST_INCLUDE_GTEST_GTEST_DEATH_TEST_H_</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="preprocessor">#define GOOGLETEST_INCLUDE_GTEST_GTEST_DEATH_TEST_H_</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="preprocessor">#include &quot;gtest/internal/gtest-death-test-internal.h&quot;</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="comment">// This flag controls the style of death tests.  Valid values are &quot;threadsafe&quot;,</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="comment">// meaning that the death test child process will re-execute the test binary</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="comment">// from the start, running only a single death test, or &quot;fast&quot;,</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="comment">// meaning that the child process will execute the test logic immediately</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="comment">// after forking.</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span>GTEST_DECLARE_string_(death_test_style);</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span> </div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="keyword">namespace </span>testing {</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span> </div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="preprocessor">#if GTEST_HAS_DEATH_TEST</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span> </div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="keyword">namespace </span>internal {</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span> </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="comment">// Returns a Boolean value indicating whether the caller is currently</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span><span class="comment">// executing in the context of the death test child process.  Tools such as</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span><span class="comment">// Valgrind heap checkers may need this to modify their behavior in death</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span><span class="comment">// tests.  IMPORTANT: This is an internal utility.  Using it may break the</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span><span class="comment">// implementation of death tests.  User code MUST NOT use it.</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span>GTEST_API_ <span class="keywordtype">bool</span> InDeathTestChild();</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span> </div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>}  <span class="comment">// namespace internal</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span> </div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span><span class="comment">// The following macros are useful for writing death tests.</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span> </div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span><span class="comment">// Here&#39;s what happens when an ASSERT_DEATH* or EXPECT_DEATH* is</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="comment">// executed:</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="comment">//</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="comment">//   1. It generates a warning if there is more than one active</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="comment">//   thread.  This is because it&#39;s safe to fork() or clone() only</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="comment">//   when there is a single thread.</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="comment">//</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="comment">//   2. The parent process clone()s a sub-process and runs the death</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span><span class="comment">//   test in it; the sub-process exits with code 0 at the end of the</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><span class="comment">//   death test, if it hasn&#39;t exited already.</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span><span class="comment">//</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span><span class="comment">//   3. The parent process waits for the sub-process to terminate.</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span><span class="comment">//</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="comment">//   4. The parent process checks the exit code and error message of</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="comment">//   the sub-process.</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="comment">//</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span><span class="comment">// Examples:</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span><span class="comment">//</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span><span class="comment">//   ASSERT_DEATH(server.SendMessage(56, &quot;Hello&quot;), &quot;Invalid port number&quot;);</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="comment">//   for (int i = 0; i &lt; 5; i++) {</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span><span class="comment">//     EXPECT_DEATH(server.ProcessRequest(i),</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="comment">//                  &quot;Invalid request .* in ProcessRequest()&quot;)</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="comment">//                  &lt;&lt; &quot;Failed to die on request &quot; &lt;&lt; i;</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span><span class="comment">//   }</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span><span class="comment">//</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span><span class="comment">//   ASSERT_EXIT(server.ExitNow(), ::testing::ExitedWithCode(0), &quot;Exiting&quot;);</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span><span class="comment">//</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span><span class="comment">//   bool KilledBySIGHUP(int exit_code) {</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span><span class="comment">//     return WIFSIGNALED(exit_code) &amp;&amp; WTERMSIG(exit_code) == SIGHUP;</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span><span class="comment">//   }</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span><span class="comment">//</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span><span class="comment">//   ASSERT_EXIT(client.HangUpServer(), KilledBySIGHUP, &quot;Hanging up!&quot;);</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span><span class="comment">//</span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span><span class="comment">// The final parameter to each of these macros is a matcher applied to any data</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span><span class="comment">// the sub-process wrote to stderr.  For compatibility with existing tests, a</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span><span class="comment">// bare string is interpreted as a regular expression matcher.</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span><span class="comment">//</span></div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span><span class="comment">// On the regular expressions used in death tests:</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span><span class="comment">//</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span><span class="comment">//   On POSIX-compliant systems (*nix), we use the &lt;regex.h&gt; library,</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span><span class="comment">//   which uses the POSIX extended regex syntax.</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span><span class="comment">//</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span><span class="comment">//   On other platforms (e.g. Windows or Mac), we only support a simple regex</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span><span class="comment">//   syntax implemented as part of Google Test.  This limited</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span><span class="comment">//   implementation should be enough most of the time when writing</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span><span class="comment">//   death tests; though it lacks many features you can find in PCRE</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span><span class="comment">//   or POSIX extended regex syntax.  For example, we don&#39;t support</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span><span class="comment">//   union (&quot;x|y&quot;), grouping (&quot;(xy)&quot;), brackets (&quot;[xy]&quot;), and</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span><span class="comment">//   repetition count (&quot;x{5,7}&quot;), among others.</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span><span class="comment">//</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span><span class="comment">//   Below is the syntax that we do support.  We chose it to be a</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span><span class="comment">//   subset of both PCRE and POSIX extended regex, so it&#39;s easy to</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span><span class="comment">//   learn wherever you come from.  In the following: &#39;A&#39; denotes a</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span><span class="comment">//   literal character, period (.), or a single \\ escape sequence;</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span><span class="comment">//   &#39;x&#39; and &#39;y&#39; denote regular expressions; &#39;m&#39; and &#39;n&#39; are for</span></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span><span class="comment">//   natural numbers.</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span><span class="comment">//</span></div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span><span class="comment">//     c     matches any literal character c</span></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span><span class="comment">//     \\d   matches any decimal digit</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span><span class="comment">//     \\D   matches any character that&#39;s not a decimal digit</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span><span class="comment">//     \\f   matches \f</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span><span class="comment">//     \\n   matches \n</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span><span class="comment">//     \\r   matches \r</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="comment">//     \\s   matches any ASCII whitespace, including \n</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span><span class="comment">//     \\S   matches any character that&#39;s not a whitespace</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span><span class="comment">//     \\t   matches \t</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span><span class="comment">//     \\v   matches \v</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span><span class="comment">//     \\w   matches any letter, _, or decimal digit</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span><span class="comment">//     \\W   matches any character that \\w doesn&#39;t match</span></div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span><span class="comment">//     \\c   matches any literal character c, which must be a punctuation</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span><span class="comment">//     .     matches any single character except \n</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span><span class="comment">//     A?    matches 0 or 1 occurrences of A</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span><span class="comment">//     A*    matches 0 or many occurrences of A</span></div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span><span class="comment">//     A+    matches 1 or many occurrences of A</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span><span class="comment">//     ^     matches the beginning of a string (not that of each line)</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span><span class="comment">//     $     matches the end of a string (not that of each line)</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span><span class="comment">//     xy    matches x followed by y</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span><span class="comment">//</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span><span class="comment">//   If you accidentally use PCRE or POSIX extended regex features</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span><span class="comment">//   not implemented by us, you will get a run-time failure.  In that</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span><span class="comment">//   case, please try to rewrite your regular expression within the</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span><span class="comment">//   above syntax.</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span><span class="comment">//</span></div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span><span class="comment">//   This implementation is *not* meant to be as highly tuned or robust</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span><span class="comment">//   as a compiled regex library, but should perform well enough for a</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span><span class="comment">//   death test, which already incurs significant overhead by launching</span></div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span><span class="comment">//   a child process.</span></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span><span class="comment">//</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span><span class="comment">// Known caveats:</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span><span class="comment">//</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span><span class="comment">//   A &quot;threadsafe&quot; style death test obtains the path to the test</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span><span class="comment">//   program from argv[0] and re-executes it in the sub-process.  For</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span><span class="comment">//   simplicity, the current implementation doesn&#39;t search the PATH</span></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span><span class="comment">//   when launching the sub-process.  This means that the user must</span></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span><span class="comment">//   invoke the test program via a path that contains at least one</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span><span class="comment">//   path separator (e.g. path/to/foo_test and</span></div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span><span class="comment">//   /absolute/path/to/bar_test are fine, but foo_test is not).  This</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span><span class="comment">//   is rarely a problem as people usually don&#39;t put the test binary</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span><span class="comment">//   directory in PATH.</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span><span class="comment">//</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span> </div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span><span class="comment">// Asserts that a given `statement` causes the program to exit, with an</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span><span class="comment">// integer exit status that satisfies `predicate`, and emitting error output</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span><span class="comment">// that matches `matcher`.</span></div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span><span class="preprocessor">#define ASSERT_EXIT(statement, predicate, matcher) \</span></div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span><span class="preprocessor">  GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_FATAL_FAILURE_)</span></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span> </div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span><span class="comment">// Like `ASSERT_EXIT`, but continues on to successive tests in the</span></div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span><span class="comment">// test suite, if any:</span></div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span><span class="preprocessor">#define EXPECT_EXIT(statement, predicate, matcher) \</span></div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span><span class="preprocessor">  GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)</span></div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span> </div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span><span class="comment">// Asserts that a given `statement` causes the program to exit, either by</span></div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span><span class="comment">// explicitly exiting with a nonzero exit code or being killed by a</span></div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span><span class="comment">// signal, and emitting error output that matches `matcher`.</span></div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span><span class="preprocessor">#define ASSERT_DEATH(statement, matcher) \</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span><span class="preprocessor">  ASSERT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)</span></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span> </div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span><span class="comment">// Like `ASSERT_DEATH`, but continues on to successive tests in the</span></div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span><span class="comment">// test suite, if any:</span></div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span><span class="preprocessor">#define EXPECT_DEATH(statement, matcher) \</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span><span class="preprocessor">  EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)</span></div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span> </div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span><span class="comment">// Two predicate classes that can be used in {ASSERT,EXPECT}_EXIT*:</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span> </div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span><span class="comment">// Tests that an exit code describes a normal exit with a given exit code.</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span><span class="keyword">class </span>GTEST_API_ ExitedWithCode {</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span>  <span class="keyword">explicit</span> ExitedWithCode(<span class="keywordtype">int</span> exit_code);</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span>  ExitedWithCode(<span class="keyword">const</span> ExitedWithCode&amp;) = <span class="keywordflow">default</span>;</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span>  <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> ExitedWithCode&amp; other) = <span class="keyword">delete</span>;</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span>  <span class="keywordtype">bool</span> operator()(<span class="keywordtype">int</span> exit_status) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span> </div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> exit_code_;</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>};</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span> </div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span><span class="preprocessor">#if !GTEST_OS_WINDOWS &amp;&amp; !GTEST_OS_FUCHSIA</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span><span class="comment">// Tests that an exit code describes an exit due to termination by a</span></div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span><span class="comment">// given signal.</span></div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span><span class="keyword">class </span>GTEST_API_ KilledBySignal {</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span>  <span class="keyword">explicit</span> KilledBySignal(<span class="keywordtype">int</span> signum);</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>  <span class="keywordtype">bool</span> operator()(<span class="keywordtype">int</span> exit_status) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span> </div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> signum_;</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span>};</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span><span class="preprocessor">#endif  </span><span class="comment">// !GTEST_OS_WINDOWS</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span> </div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span><span class="comment">// EXPECT_DEBUG_DEATH asserts that the given statements die in debug mode.</span></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span><span class="comment">// The death testing framework causes this to have interesting semantics,</span></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span><span class="comment">// since the sideeffects of the call are only visible in opt mode, and not</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span><span class="comment">// in debug mode.</span></div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span><span class="comment">//</span></div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span><span class="comment">// In practice, this can be used to test functions that utilize the</span></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span><span class="comment">// LOG(DFATAL) macro using the following style:</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span><span class="comment">//</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span><span class="comment">// int DieInDebugOr12(int* sideeffect) {</span></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span><span class="comment">//   if (sideeffect) {</span></div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span><span class="comment">//     *sideeffect = 12;</span></div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span><span class="comment">//   }</span></div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span><span class="comment">//   LOG(DFATAL) &lt;&lt; &quot;death&quot;;</span></div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span><span class="comment">//   return 12;</span></div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span><span class="comment">// }</span></div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span><span class="comment">//</span></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span><span class="comment">// TEST(TestSuite, TestDieOr12WorksInDgbAndOpt) {</span></div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span><span class="comment">//   int sideeffect = 0;</span></div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span><span class="comment">//   // Only asserts in dbg.</span></div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span><span class="comment">//   EXPECT_DEBUG_DEATH(DieInDebugOr12(&amp;sideeffect), &quot;death&quot;);</span></div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span><span class="comment">//</span></div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span><span class="comment">// #ifdef NDEBUG</span></div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span><span class="comment">//   // opt-mode has sideeffect visible.</span></div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span><span class="comment">//   EXPECT_EQ(12, sideeffect);</span></div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span><span class="comment">// #else</span></div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span><span class="comment">//   // dbg-mode no visible sideeffect.</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span><span class="comment">//   EXPECT_EQ(0, sideeffect);</span></div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span><span class="comment">// #endif</span></div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span><span class="comment">// }</span></div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span><span class="comment">//</span></div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span><span class="comment">// This will assert that DieInDebugReturn12InOpt() crashes in debug</span></div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span><span class="comment">// mode, usually due to a DCHECK or LOG(DFATAL), but returns the</span></div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span><span class="comment">// appropriate fallback value (12 in this case) in opt mode. If you</span></div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span><span class="comment">// need to test that a function has appropriate side-effects in opt</span></div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span><span class="comment">// mode, include assertions against the side-effects.  A general</span></div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span><span class="comment">// pattern for this is:</span></div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span><span class="comment">//</span></div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span><span class="comment">// EXPECT_DEBUG_DEATH({</span></div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span><span class="comment">//   // Side-effects here will have an effect after this statement in</span></div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span><span class="comment">//   // opt mode, but none in debug mode.</span></div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span><span class="comment">//   EXPECT_EQ(12, DieInDebugOr12(&amp;sideeffect));</span></div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span><span class="comment">// }, &quot;death&quot;);</span></div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span><span class="comment">//</span></div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span><span class="preprocessor">#ifdef NDEBUG</span></div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span> </div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span><span class="preprocessor">#define EXPECT_DEBUG_DEATH(statement, regex) \</span></div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span><span class="preprocessor">  GTEST_EXECUTE_STATEMENT_(statement, regex)</span></div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span> </div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span><span class="preprocessor">#define ASSERT_DEBUG_DEATH(statement, regex) \</span></div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span><span class="preprocessor">  GTEST_EXECUTE_STATEMENT_(statement, regex)</span></div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span> </div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span> </div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span><span class="preprocessor">#define EXPECT_DEBUG_DEATH(statement, regex) EXPECT_DEATH(statement, regex)</span></div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span> </div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span><span class="preprocessor">#define ASSERT_DEBUG_DEATH(statement, regex) ASSERT_DEATH(statement, regex)</span></div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span> </div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span><span class="preprocessor">#endif  </span><span class="comment">// NDEBUG for EXPECT_DEBUG_DEATH</span></div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span><span class="preprocessor">#endif  </span><span class="comment">// GTEST_HAS_DEATH_TEST</span></div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span> </div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span><span class="comment">// This macro is used for implementing macros such as</span></div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span><span class="comment">// EXPECT_DEATH_IF_SUPPORTED and ASSERT_DEATH_IF_SUPPORTED on systems where</span></div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span><span class="comment">// death tests are not supported. Those macros must compile on such systems</span></div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span><span class="comment">// if and only if EXPECT_DEATH and ASSERT_DEATH compile with the same parameters</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span><span class="comment">// on systems that support death tests. This allows one to write such a macro on</span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span><span class="comment">// a system that does not support death tests and be sure that it will compile</span></div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span><span class="comment">// on a death-test supporting system. It is exposed publicly so that systems</span></div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span><span class="comment">// that have death-tests with stricter requirements than GTEST_HAS_DEATH_TEST</span></div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span><span class="comment">// can write their own equivalent of EXPECT_DEATH_IF_SUPPORTED and</span></div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span><span class="comment">// ASSERT_DEATH_IF_SUPPORTED.</span></div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span><span class="comment">//</span></div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span><span class="comment">// Parameters:</span></div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span><span class="comment">//   statement -  A statement that a macro such as EXPECT_DEATH would test</span></div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span><span class="comment">//                for program termination. This macro has to make sure this</span></div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span><span class="comment">//                statement is compiled but not executed, to ensure that</span></div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span><span class="comment">//                EXPECT_DEATH_IF_SUPPORTED compiles with a certain</span></div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span><span class="comment">//                parameter if and only if EXPECT_DEATH compiles with it.</span></div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span><span class="comment">//   regex     -  A regex that a macro such as EXPECT_DEATH would use to test</span></div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span><span class="comment">//                the output of statement.  This parameter has to be</span></div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span><span class="comment">//                compiled but not evaluated by this macro, to ensure that</span></div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span><span class="comment">//                this macro only accepts expressions that a macro such as</span></div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span><span class="comment">//                EXPECT_DEATH would accept.</span></div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span><span class="comment">//   terminator - Must be an empty statement for EXPECT_DEATH_IF_SUPPORTED</span></div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span><span class="comment">//                and a return statement for ASSERT_DEATH_IF_SUPPORTED.</span></div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span><span class="comment">//                This ensures that ASSERT_DEATH_IF_SUPPORTED will not</span></div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span><span class="comment">//                compile inside functions where ASSERT_DEATH doesn&#39;t</span></div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span><span class="comment">//                compile.</span></div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span><span class="comment">//</span></div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span><span class="comment">//  The branch that has an always false condition is used to ensure that</span></div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span><span class="comment">//  statement and regex are compiled (and thus syntactically correct) but</span></div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span><span class="comment">//  never executed. The unreachable code macro protects the terminator</span></div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span><span class="comment">//  statement from generating an &#39;unreachable code&#39; warning in case</span></div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span><span class="comment">//  statement unconditionally returns or throws. The Message constructor at</span></div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span><span class="comment">//  the end allows the syntax of streaming additional messages into the</span></div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span><span class="comment">//  macro, for compilational compatibility with EXPECT_DEATH/ASSERT_DEATH.</span></div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span><span class="preprocessor">#define GTEST_UNSUPPORTED_DEATH_TEST(statement, regex, terminator)             \</span></div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span><span class="preprocessor">  GTEST_AMBIGUOUS_ELSE_BLOCKER_                                                \</span></div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span><span class="preprocessor">  if (::testing::internal::AlwaysTrue()) {                                     \</span></div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span><span class="preprocessor">    GTEST_LOG_(WARNING) &lt;&lt; &quot;Death tests are not supported on this platform.\n&quot; \</span></div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span><span class="preprocessor">                        &lt;&lt; &quot;Statement &#39;&quot; #statement &quot;&#39; cannot be verified.&quot;;   \</span></div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span><span class="preprocessor">  } else if (::testing::internal::AlwaysFalse()) {                             \</span></div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span><span class="preprocessor">    ::testing::internal::RE::PartialMatch(&quot;.*&quot;, (regex));                      \</span></div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span><span class="preprocessor">    GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement);                 \</span></div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span><span class="preprocessor">    terminator;                                                                \</span></div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span><span class="preprocessor">  } else                                                                       \</span></div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span><span class="preprocessor">    ::testing::Message()</span></div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span> </div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span><span class="comment">// EXPECT_DEATH_IF_SUPPORTED(statement, regex) and</span></div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span><span class="comment">// ASSERT_DEATH_IF_SUPPORTED(statement, regex) expand to real death tests if</span></div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span><span class="comment">// death tests are supported; otherwise they just issue a warning.  This is</span></div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span><span class="comment">// useful when you are combining death test assertions with normal test</span></div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span><span class="comment">// assertions in one test.</span></div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span><span class="preprocessor">#if GTEST_HAS_DEATH_TEST</span></div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span><span class="preprocessor">#define EXPECT_DEATH_IF_SUPPORTED(statement, regex) \</span></div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span><span class="preprocessor">  EXPECT_DEATH(statement, regex)</span></div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span><span class="preprocessor">#define ASSERT_DEATH_IF_SUPPORTED(statement, regex) \</span></div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span><span class="preprocessor">  ASSERT_DEATH(statement, regex)</span></div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span><span class="preprocessor">#define EXPECT_DEATH_IF_SUPPORTED(statement, regex) \</span></div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span><span class="preprocessor">  GTEST_UNSUPPORTED_DEATH_TEST(statement, regex, )</span></div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span><span class="preprocessor">#define ASSERT_DEATH_IF_SUPPORTED(statement, regex) \</span></div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span><span class="preprocessor">  GTEST_UNSUPPORTED_DEATH_TEST(statement, regex, return)</span></div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span> </div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span>}  <span class="comment">// namespace testing</span></div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span> </div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span><span class="preprocessor">#endif  </span><span class="comment">// GOOGLETEST_INCLUDE_GTEST_GTEST_DEATH_TEST_H_</span></div>
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